MDS PREP
A pulp polyp is usually found in
1. Young teeth with chronic open pulpitis
2. Young teeth with apical abscess
3. Young teeth with acute pulpitis
4. Young teeh with periapical infection
Endodontics
Answer: 1
Which of the following is true about master apical file (MAF) ?
1) The last file is selected for obturation
2) The initial file which is selected for initial radiographic working length
3) Both A and B
4) None of the above
Endodontics
Answer: 1
Which strain of yeast is found in the root canal
1. Candida alibicans
2. Cryptococcus
3. Histoplasma
4. Actinomyces
A patient under fixed orthodontic therapy got his anterior tooth injured and became non-vital. You would like to
1) Perform endodontic therapy without disturbing bands and arch wires
2) Remove arch wire and perform endodontic therapy
3) Both of the above
4) None of the above
Endodontics
Answer: 1
The most common single straws of microorganisms isolated from vital pulps in the early stages of inflammation are
1) Staphylococci
2) Streptococci
3) Borrelia vincenti
4) Neisseria
Endodontics
Answer: 2
The totoal sterilization time at 15 psi and 121 degree celcius is
1. 20 min
2. 10 min
3. 3 min
4. 30 sec